Cobbugated ice compartment



Feb. 27, 1940. H GIDDI NG S 2,191,462

' CORRUGATED ICE COMPARTMENT Filegl March 26, 1938 3 Sheets-Sheet 2 IMAM I ATTORNEYS Feb.27, 1940. Gm'DmG 2,191,462

- CORRUGATED ICE COMPARTME NT Filed March 26, 1938v 3 Sheets-Sheet" 3 BY BM. m?

ATTORNEYS v NHEDTLSTATES Patented Feb. Z7, 1940 PATENT orrl cr 2,191,462 a CORRUGATED ICE COMPARTMENT HoraceGiddings, San Francisco, Calif.

7- Claims.

The present",;invention relates to refrigerator cars, and especially to. the construction of the ice compartments or tanks thereof. v The principalobjectof the invention is to pro- 5. vide' an ice" compartment in which the surface exposed to contact with the ice on one side and with the circulating air on the other side is as large as possible, in order to efifect rapid transfer of heat from'saidair. This is accomplished by forming the walls of the ice compartment of vertically corrugatedsheet metal. The ice, being broken intoirregular small pieces when loaded, partially fills the interior corrugations of the wall, which therefore has a greater surface.

v areain contact with the ice than would be the case wan fiat wall. As the ice melts, it-fur ther fills said interior corrugations.

'Another object of the invention is to provide for the greatest possible circulation of air through and around the ice compartment and between it and the lading compartmentof the car. The vertically corrugated lining walls themselves contribute to the achievement of this object, by providing vertical air channels between their corrugations and the adjacent walls of the car. Numero-us'apertures are provided in the corrugated walls, through which air may freely pass between said channels and the 'interior of the ice compartment. The lower ends of said channels are open to the space beneath the ice grate Within the ice compartment.

The free circulation of air between the lading and ice compartments'is further-assisted by the construction of that wall of the ice compartment which separates it from'the lading compartment. This walLccmmonly termed the bulkhead, is in my construction formed of vertically corrugated sheet metal similar to the other walls of the compartment, and is'secured to the sides and inner roof or ceilingof' the car, its lower edge being spaced above the floor and entirely clear thereof, the space between said bulkhead and the floor being open and free of any posts or other-obstructions to the movement of air. The corrugated bulkhead sheet forms a suspension sup- .port for the forward edgeofthe ice grateon one sideand for the usual bulkhead pad on the other side, said pad being preferably a solid wooden 0 panel extending across the car and spaced from both the floor and the ceiling. Above said pad, the corrugated bulkhead sheet is provided with a plurality of apertures of special vertically-clon gatedform, which offer the 'least possible ob- 55 struction to the free movement of air from the 193:3,- Serial No. 198,293 (01. 62-19) upperportion of'the lading compartment to th upper portion of the ice compartment. I

Another object of the invention isto prevent Water and chips oiice from splashing and flying I out of the ice compartment into the air' passages .51? and'into the lading compartment. For this purpose the aperturesin the corrugated walls are narrow and are provided with deflecting tongues and lips which catch drops 'of waterand chips of ice and return them to the interior of the-1] ice compartment. Moreover, the bottom of the corrugated bulkhead wall is formed in a novel manner designed to direct the drip from said wall inwardly toward the drip pan in the bottom of the ice compartment and away from the floor of the lading compartment.

' By providing corrugated and apertured walls, for the ice compartment, I eliminate the necescity for using screens at any point. The corrugated bulkhead wall, formed with my novel 20.

apertures in its ,upper portiomis a unitary structure, permitting free, circulation of air and preventing pilfering of the lacling from the'ice com 'partment,,without necessitating the usual additional section of screen covering the open space 25.

' aboVe the' bulkhead pad. The entireice compartme'nt is constructed economically of machine-- made light-weight corrugated sheets I also make the ice grate of'corrugated and perforated sheet metal. 30.

These and other objects and advantages of the invention will be made more apparent by the following description, which should be read with the understanding that changes, within the scope of the claims hereto appended, may be 3.5 made in theform, construction and arrangement of the several parts herein shown and described, without departing from the spirit of the inven tion.

,In the drawings, Fig. 1 is a vertical longitu 4.0

vFig. 4 is an enlarged horizontal section of the upper portion ofthe bulkhead wall. 1

Referring in morefdetailto, the drawings, the reference numeralfilil designates the end wall of a refrigerator, car, llgis theflopr .thereof l'2 as vertically corrugated sheet having its upper edge secured to said roof and its lower edge spaced from said floor, the corrugations of said sheet forming air channels between said sheet and the slid portion of said wall, said sheet having a plurality of vertical slots between the upper edge of the solid portion of said wall and said roof to permit air to pass freely between said compartments, the portions of the sheet between said slots being curled inwardly to form splash guards and to provide vertical drain channels facing toward the ice compartment. I

3. In a refrigerator car having an ice compartment and lading compartment, a bulkhead between said compartments comprising a vertically corrugated sheet secured to the roof of the car and extending downwardly therefrom, the lower edge of said sheet being spaced from the floor of the car and said lower edge being serrated, the inner corrugations projecting into the ice cornpartment being cut out and the intervening outer corrugations being bent inwardly at their lower ends, and the upper portion of said sheet having a plurality of apertures to permit free circulation of air between said compartments.

4. In a refrigerator car having an ice compartment, a lining member for said compartment comprising a sheet of metal having a plurality of elongated approximately vertical slots, said slots being spaced apart laterally and the portions of the sheet between said slots being curled inwardly to form splash guards and to provide concave drain channels facing inwardly toward the compartment.

5. In a refrigerator car having an ice compartment and a lading compartment, a bulkhead between said compartments comprising a sheet of metal extending downwardly from the roof of the car, said sheet having a row of approximately vertical elongated slots in its upper portion, said slots being spaced laterally and having their edges bent inwardly toward the ice compartment to form splash guards for said slots. I I

6. In a refrigerator car having an ice compartment, a lining member for a wall of said compartment comprising a sheet of metal having a serrated lower edge forming a plurality of downwardly extending pointed tongues, the side edges and the lower ends of said tongues being bent toward the compartment to form inwardly inclined drain channels, whereby water draining down the surface of said sheet is directed inwardly away from the compartment wall.

7. In arefrigerator car having an ice compartment and a lading compartment, a bulkhead between said compartments comprising a sheet of metal extending downwardly from the roof of the car, the upper portion of said sheet having a plurality of apertures to permit passage of air between said compartments, the lower edge of said sheet being spaced from the floor of the car, and said lower edge having portions bent inwardly toward the ice compartment to form drain channels whereby water draining down the surface of said sheet will be directed away from the lading compartment.

HORACE IGIDDINGSQ 

